A .bashrc addition for separation of history files

.bashrc_history_menu

#!/bin/bash

dir=.history.d
if [ ! -d ~/$dir ]
then
    mkdir -p ~/$dir
    touch ~/$dir/ssh
    touch ~/$dir/dev
    touch ~/$dir/adm
    touch ~/$dir/games
fi

pushd ~/$dir/ >/dev/null
list=$(find * -type f)
popd >/dev/null

select opt in $list
do
    if [ ! -z "$opt" ]
    then
        #echo $opt
        f=$opt
        export HISTFILE="${HOME}/$dir/$opt"
    fi
    break
done

prefix=$(printf %s $f)
PS1="[${prefix}] "$PS1